5
Remote control installation
6 720 606 990
4 Remote control installation for: GWH-635-ES/GWH-635-ESO/250SX/250SXO/2400E/2400EO

4.1 Remote control

transceiver PCB

installation

Pre-installation preparation
BDisconnect power supply to heater.
BRemove plastic decals on front
panel.
BLoosen two Philips head screws
located behind plastic decals.
BLift front cover upward and remove.
Fig. 2
BRemove the 5 screws on the front
retaining bar (see Fig.2, pos. 1 and
2) being careful not to damage the
foam sealant material on it.
BRemove control unit auxiliary cover
(Fig.2, pos . 4).
BRemove the two electrical strip
connectors inside the auxiliary cover
(Fig. see diagram below) and then
loosen the 110V power supply cord
retaining nut located underneath the
heater. Once loosened, the power
cord can be pulled up through the
heater to provide sufficient slack.
Warning: For safety
reasons, disconnect
the power supply to
the water heater
before performing
installation.
6720606990-0701_(Remote control)16Nov.fm Page 5 Friday, November 16, 2007 3:04 PM